-9y-12+y=20

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Solution for -9y-12+y=20 equation:


Simplifying
-9y + -12 + y = 20

Reorder the terms:
-12 + -9y + y = 20

Combine like terms: -9y + y = -8y
-12 + -8y = 20

Solving
-12 + -8y = 20

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + 12 + -8y = 20 + 12

Combine like terms: -12 + 12 = 0
0 + -8y = 20 + 12
-8y = 20 + 12

Combine like terms: 20 + 12 = 32
-8y = 32

Divide each side by '-8'.
y = -4

Simplifying
y = -4

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